Car-door lock.



J. P. BILLY.

Patented Mar. 15, mm.

@Wini'ar 70 GAR DOOR LOOK. APPLICATION rum) 06119, 1909.

SITE @FFTQE JOSEPH F. BILLY, OF MONESSEN, PENNSYLVANIA.

CAR-DOOR LOCK.

To all whom it may concern:

Be it known that I, JOSEPH F. BILLY, a subject of the King of Hungary,residing at Monessen, in the county of estmoreland and State ofPennsylvania, have invented certain new and useful Improvements inCar-Door Locks, of which the following is a specification, referencebeing had therein to the accompanying drawing.

This invention relates to looks, and more particularly to that type oflock designed for securing sliding doors in a closed position.

The primary object of my invention is to provide a novel lockingmechanism that can be advantageously used in connection with car doors,the lock being simple in construction and positive as a fastening meansfor a door.

A further object of this invention is to provide a locking mechanismthat can be easily manipulated, the mechanism carried by the body of thecar or similar support. being securely housed and presenting noobstruction upon the exterior of the car when the door thereof is open.

WVith the above and such other objects in view as may hereinafterappear, the invention consists in the novel construction, combinationand arrangement of parts to be hereinafter specifically described andthen claimed.

Reference. will now be had to the drawing forming a part of thisspecification, wherein there is illust 'ated a preferred embodiment ofthe invention, but it is to be understood that the structural elementsthereof can be varied or changed, as to the shape, proportion and mannerof assemblage without departing from the spirit and scope of theinvention.

In the drawings :Figure 1 is a side elevation of that portion of a lockadapted to be carried by a car body, illustrating the lock in anextended position. Fig. 2 is a horizontal sectional view of the same inconjunction with a door, showin the lock in a locked position. Fig. 8 isa ront elevation of the same. Fig. 1 is a side elevation of the lock ina retracted position. Fig. 5 is a similar view of the same inconjunction with a car. Fig. 6 is a vertical cross sectional View takenon the line 00 of Fig. 5. Fig. 7 is an end view of a detached bolthousing adapted to form part of the lock. Fig. 8 is an end view of adetached bolt. Fig. 9 is a perspective view of a filler block, and Fiq.

Specification of Letters Patent.

Application filed October 19, 1909.

Patented Mar. 15, 19111 Serial No. 523,549.

10 is a perspective view of a latch adapted to form part of the bolt.

In the accompanying drawings the reference numeral 1 denotes the body ofa car or similar support having the side thereof recessed, as at 2, toaccommodate an oblong metallic casing 3. The forward end of the casingis closed by an escutcheon plate a having an offset portion providing avertical recess 6 and an interiorly threaded socket 7. The plate 4: iscountersunk in the front side of the car body 1 and is secured to saidcar body by screws 8 or similar fastening means, while the casing 3 isclosed by a strike-plate 9 which is secured to the casing 3 by screws orsimilar fastei'iing means adapted to enter seats .11 provided thereforin the casing The reference numeral 12 denotes a cylindrical bolthousing having a threaded end 13 adapted to screw into the socket 7,said housing being of a less length than the easing. The housing isprovided with bayonetshaped slot, the longitudinal portion 1 1 of saidslot extending from the inner end thereof in proximity to the outer end,where it communicates with av circumferentially disposed portion 15occupying approximately one-quarter the circumference of the housing.

The reference numeral 16 denotes a cylindrical bolt slidably mounted inthe housing 12, said bolt having the rear end thereof provided with aneyelet 17 which is attached by a coiled spring 18 to an eyelet 19,carried by the rear end of the casing 3. The function of this spring isto normally retain the bolt 16 in a retracted position within thehousing 12. The outer end of the bolt is provided with an arm 20extending at right angles to said bolt, the end of said arm terminatingin an apertured lug 21, for a purpose that will hereinafter appear. Theend of the bolt 16 is provided with an eyelet 22 to which a chain orcable 23 is attached to permit of the bolt being pulled outwardly to theextended position shown in Figs. 1 to 3 inclusive. The bolt 16intermediate the ends thereof is provided with a lug 24 which rides inthe bayonet-shaped slot, said lug having the end thereof provided with atransverse tooth 25.

The reference numeral 26 denotes a keeper-plate carried by the edge ofthe door 27 adapted to slide into engagement or in proximity to thestrike-plate 9. The keeperplate 26 is formed integral with an escutcheonplate 28, which is offset, as at 29, to provide a socket 30 for the edgeof the escutcheon plate 1. The plate 28 is secured to the door 27 byscrews 31 and is provided with an integral staple or keeper 32 to whichthe apertured lug 21 of the arm 20 is connected by a pad-lock 33 or aseal. The plate 26 is provided with a socket 3 1 adapted to receive thetoothed lug 24:, said socket having the bottom thereof provided with agroove 35 to receive the tooth 25 of the lug 24.

In order that the bolt 16 can be assembled within the cylindricalhousing 12 and said housing mounted in the casing 3, it is necessary tomount the lug 24 in the bolt 16 after the bolt and the housing thereofhave been arranged in the casing 3. The man ner of doing this is asfollows :The bolt 16 is provided with a longitudinal groove 36,substantially inverted T-shaped cross section, and the lug 24: isprovided with a longitudinal T-shaped head 37 adapted to slide in thegroove 36. The groove 36 is not the entire length of the bolt 16, but ofsufficient length whereby the inner end thereof will register with thecircumferentially arranged portion 15 of the bayonet-shaped slot whenthe bolt is extended. After the lug is mounted in the bolt, the rear endof the groove 36 is closed by a filler-block 38.

It will be observed that after the arm 20 is connected to the staple orkeeper 32 that the door 27 cannot be moved, or cannot accidentally open,even though the arm 20 is unlocked, until the bolt 16 is rotated onequarter of a revolution to move the latch out of the keeper-shell orsocket 34L.

Having now described my invention, what I claim as new is 1. In a lock,the combination with a keeperplate adapted to be carried by a door, anda casing adapted to be held by a door frame, of a bolt housingdetachably mounted in said casii'ig and provided with a bayonet-shapedslot, a bolt slidably and revolubly mounted in said housing, a lugcarried by said bolt and ada ted to extend through said bayonetshaped sot and be projected into said keeperplate, and a right angular armcarried by the outer end of said bolt and adapted to be locked inengagement with said door.

2. In a lock, the combination with a keeperplate adapted to be carriedby a door, and a casing adapted to be carried by a door frame, of ahousing mounted in said casing, a bolt slidably mounted in said housing,a lug carried by said bolt and adapted to be swung into saidkeeper-plate, means within said casing adapted to retain said bolt in aretracted position, and means carried by said bolt and adapted to holdsaid bolt in an extended position, said means being housed in saidcasing when the bolt is in a retracted position.

3. In a lock, the combination with a keeper-plate of a door, and acasing adapted to be carried by door frame, of a housing detachablymounted in said casing, said housing having a bayonet-shaped slot formedtherein, a spring-held bolt slidably mounted in said housing, a toothedlug carried by said bolt and adapted to protrude from saidbayonet-shaped slot into said keeper-plate, an arm carried by said boltand adapted to facilitate a movement of said bolt, means carried by saidcasing and adapted to house said arm with the bolt in a retractedposition, and means carried by said door and adapted to engage said armand retain said bolt in extended position with the lug thereof inengagement with said door.

In testimony whereof I affix my signature in the presence of twowitnesses.

JOSEPH F. BILLY. lVitnesses MARY M. IIEDDEN, KARL I-I. BUTLER.

